Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH0emuYI8T6Th3VaVsXb6JxQ5hvp1hFsD3IXNUE663xzCdIJOh50W3AH2gV… (844 chars)"
  }
}